| http://www.w3.org/ns/prov#value | - FIG. 4a is a circuit diagram of modified arrangement of the portion of the circuit of FIG. 4 connected between the terminals AA. DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to the circuit diagram of FIG. 1, a prior art AC phase control regulator circuit over which the phase control circuits of this invention are an improvement will be described.
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